CCNA 200-301 Official Cert Guide Library
, by Odom, Wendell
- ISBN: 9781587147142 | 1587147149
- Cover: Package
- Copyright: 12/31/2019
Cisco Press has the only study guides approved by Cisco for the new CCNA certification. The new edition of the best-selling two-book value-priced CCNA 200-301 Official Cert Guide Library includes updated content, new online practice exercises, more than 600 practice exam questions, and more than 2 hours of video training–PLUS the CCNA Network Simulator Lite Editions with 34 free Network Simulator labs (available via download on the companion web site).
CCNA 200-301 Official Cert Guide Library is a comprehensive review and practice package for the latest CCNA exam and is the only self-study resource approved by Cisco. The two books contained in this package, CCNA 200-301 Official Cert Guide, Volume 1 and CCNA 200-301 Official Cert Guide, Volume 2, present complete reviews and a more challenging and realistic preparation experience. The books have been fully updated to refresh the content for the latest CCNA exam topics and to enhance certain key topics that are critical for exam success.
Best-selling author Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.
Wendell Odom, CCIE No. 1624 (Emeritus), has been in the networking industry since 1981. He has worked as a network engineer, consultant, systems engineer, instructor, and course developer; he currently works writing and creating certification study tools. He is the author of all editions of the CCNA R&S and CCENT Cert Guides from Cisco Press. He has written books about topics from networking basics, certification guides throughout the years for CCENT, CCNA R&S, CCNA DC, CCNP ROUTE, CCNP QoS, and CCIE R&S. He helped develop the popular Pearson Network Simulator. He maintains study tools, links to his blogs, and other resources at www.certskills.com.
CCNA 200-301 Official Cert Guide, Volume 1
Introduction
Your Study Plan
Part I Introduction to Networking
Chapter 1 Introduction to TCP/IP Networking
“Do I Know This Already?” Quiz
Foundation Topics
Perspectives on Networking
TCP/IP Networking Model
History Leading to TCP/IP
Overview of the TCP/IP Networking Model
TCP/IP Application Layer
TCP/IP Transport Layer
TCP/IP Network Layer
TCP/IP Data-Link and Physical Layers
Data Encapsulation Terminology
Names of TCP/IP Messages
OSI Networking Model and Terminology
Chapter Review
Chapter 2 Fundamentals of Ethernet LANs
“Do I Know This Already?” Quiz
Foundation Topics
An Overview of LANs
Typical SOHO LANs
Typical Enterprise LANs
The Variety of Ethernet Physical Layer Standards
Consistent Behavior over All Links Using the Ethernet Data-Link Layer
Building Physical Ethernet LANs with UTP
Transmitting Data Using Twisted Pairs
Breaking Down a UTP Ethernet Link
UTP Cabling Pinouts for 10BASE-T and 100BASE-T
UTP Cabling Pinouts for 1000BASE-T
Building Physical Ethernet LANs with Fiber
Fiber Cabling Transmission Concepts
Using Fiber with Ethernet
Sending Data in Ethernet Networks
Ethernet Data-Link Protocols
Sending Ethernet Frames with Switches and Hubs
Chapter Review
Chapter 3 Fundamentals of WANs and IP Routing
“Do I Know This Already?” Quiz
Foundation Topics
Wide-Area Networks
Leased-Line WANs
Ethernet as a WAN Technology
IP Routing
Network Layer Routing (Forwarding) Logic
How Network Layer Routing Uses LANs and WANs
How IP Addressing Helps IP Routing
How IP Routing Protocols Help IP Routing
Other Network Layer Features
Using Names and the Domain Name System
The Address Resolution Protocol
ICMP Echo and the ping Command
Chapter Review
Part I Review
Part II Implementing Ethernet LANs
Chapter 4 Using the Command-Line Interface
“Do I Know This Already?” Quiz
Foundation Topics
Accessing the Cisco Catalyst Switch CLI
Cisco Catalyst Switches
Accessing the Cisco IOS CLI
CLI Help Features
The debug and show Commands
Configuring Cisco IOS Software
Configuration Submodes and Contexts
Storing Switch Configuration Files
Copying and Erasing Configuration Files
Chapter Review
Chapter 5 Analyzing Ethernet LAN Switching
“Do I Know This Already?” Quiz
Foundation Topics
LAN Switching Concepts
Overview of Switching Logic
Forwarding Known Unicast Frames
Learning MAC Addresses
Flooding Unknown Unicast and Broadcast Frames
Avoiding Loops Using Spanning Tree Protocol
LAN Switching Summary
Verifying and Analyzing Ethernet Switching
Demonstrating MAC Learning
Switch Interfaces
Finding Entries in the MAC Address Table
Managing the MAC Address Table (Aging, Clearing)
MAC Address Tables with Multiple Switches
Chapter Review
Chapter 6 Configuring Basic Switch Management
“Do I Know This Already?” Quiz
Foundation Topics
Securing the Switch CLI
Securing User Mode and Privileged Mode with Simple Passwords
Securing User Mode Access with Local Usernames and Passwords
Securing User Mode Access with External Authentication Servers
Securing Remote Access with Secure Shell
Enabling IPv4 for Remote Access
Host and Switch IP Settings
Configuring IPv4 on a Switch
Configuring a Switch to Learn Its IP Address with DHCP
Verifying IPv4 on a Switch
Miscellaneous Settings Useful in the Lab
History Buffer Commands
The logging synchronous, exec-timeout, and no ip domain-lookup Commands
Chapter Review
Chapter 7 Configuring and Verifying Switch Interfaces
“Do I Know This Already?” Quiz
Foundation Topics
Configuring Switch Interfaces
Configuring Speed, Duplex, and Description
Configuring Multiple Interfaces with the interface range Command
Administratively Controlling Interface State with shutdown
Removing Configuration with the no Command
Autonegotiation
Analyzing Switch Interface Status and Statistics
Interface Status Codes and Reasons for Nonworking States
Interface Speed and Duplex Issues
Common Layer 1 Problems on Working Interfaces
Chapter Review
Part II Review
Part III Implementing VLANs and STP
Chapter 8 Implementing Ethernet Virtual LANs
“Do I Know This Already?” Quiz
Foundation Topics
Virtual LAN Concepts
Creating Multiswitch VLANs Using Trunking
Forwarding Data Between VLANs
VLAN and VLAN Trunking Configuration and Verification
Creating VLANs and Assigning Access VLANs to an Interface
VLAN Trunking Protocol
VLAN Trunking Configuration
Implementing Interfaces Connected to Phones
Troubleshooting VLANs and VLAN Trunks
Access VLANs Undefined or Disabled
Mismatched Trunking Operational States
The Supported VLAN List on Trunks
Mismatched Native VLAN on a Trunk
Chapter Review
Chapter 9 Spanning Tree Protocol Concepts
“Do I Know This Already?” Quiz
Foundation Topics
STP and RSTP Basics
The Need for Spanning Tree
What Spanning Tree Does
How Spanning Tree Works
Configuring to Influence the STP Topology
Details Specific to STP (and Not RSTP)
STP Activity When the Network Remains Stable
STP Timers That Manage STP Convergence
Changing Interface States with STP
Rapid STP Concepts
Comparing STP and RSTP
RSTP and the Alternate (Root) Port Role
RSTP States and Processes
RSTP and the Backup (Designated) Port Role
RSTP Port Types
Optional STP Features
Chapter Review
Chapter 10 RSTP and EtherChannel Configuration
“Do I Know This Already?” Quiz
Foundation Topics
Understanding RSTP Through Configuration
The Need for Multiple Spanning Trees
STP Modes and Standards
The Bridge ID and System ID Extension
How Switches Use the Priority and System ID Extension
RSTP Methods to Support Multiple Spanning Trees
Other RSTP Configuration Options
Configuring Layer 2 EtherChannel
Configuring a Manual Layer 2 EtherChannel
Configuring Dynamic EtherChannels
Physical Interface Configuration and EtherChannels
EtherChannel Load Distribution
Chapter Review
Part III Review
Part IV IPv4 Addressing
Chapter 11 Perspectives on IPv4 Subnetting
“Do I Know This Already?” Quiz
Foundation Topics
Introduction to Subnetting
Subnetting Defined Through a Simple Example
Operational View Versus Design View of Subnetting
Analyze Subnetting and Addressing Needs
Rules About Which Hosts Are in Which Subnet
Determining the Number of Subnets
Determining the Number of Hosts per Subnet
One Size Subnet Fits All–Or Not
Make Design Choices
Choose a Classful Network
Choose the Mask
Build a List of All Subnets
Plan the Implementation
Assigning Subnets to Different Locations
Choose Static and Dynamic Ranges per Subnet
Chapter Review
Chapter 12 Analyzing Classful IPv4 Networks
“Do I Know This Already?” Quiz
Foundation Topics
Classful Network Concepts
IPv4 Network Classes and Related Facts
Number of Hosts per Network
Deriving the Network ID and Related Numbers
Unusual Network IDs and Network Broadcast Addresses
Practice with Classful Networks
Practice Deriving Key Facts Based on an IP Address
Practice Remembering the Details of Address Classes
Chapter Review
Chapter 13 Analyzing Subnet Masks
“Do I Know This Already?” Quiz
Foundation Topics
Subnet Mask Conversion
Three Mask Formats
Converting Between Binary and Prefix Masks
Converting Between Binary and DDN Masks
Converting Between Prefix and DDN Masks
Practice Converting Subnet Masks
Identifying Subnet Design Choices Using Masks
Masks Divide the Subnet’s Addresses into Two Parts
Masks and Class Divide Addresses into Three Parts
Classless and Classful Addressing
Calculations Based on the IPv4 Address Format
Practice Analyzing Subnet Masks
Chapter Review
Chapter 14 Analyzing Existing Subnets
“Do I Know This Already?” Quiz
Foundation Topics
Defining a Subnet
An Example with Network 172.16.0.0 and Four Subnets
Subnet ID Concepts
Subnet Broadcast Address
Range of Usable Addresses
Analyzing Existing Subnets: Binary
Finding the Subnet ID: Binary
Finding the Subnet Broadcast Address: Binary
Binary Practice Problems
Shortcut for the Binary Process
Brief Note About Boolean Math
Finding the Range of Addresses
Analyzing Existing Subnets: Decimal
Analysis with Easy Masks
Predictability in the Interesting Octet
Finding the Subnet ID: Difficult Masks
Finding the Subnet Broadcast Address: Difficult Masks
Practice Analyzing Existing Subnets
A Choice: Memorize or Calculate
Chapter Review
Part IV Review
Part V IPv4 Routing
Chapter 15 Operating Cisco Routers
“Do I Know This Already?” Quiz
Foundation Topics
Installing Cisco Routers
Installing Enterprise Routers
Installing SOHO Routers
Enabling IPv4 Support on Cisco Router Interfaces
Accessing the Router CLI
Router Interfaces
Router Auxiliary Port
Chapter Review
Chapter 16 Configuring IPv4 Addresses and Static Routes
“Do I Know This Already?” Quiz
Foundation Topics
IP Routing
IPv4 Routing Process Reference
An Example of IP Routing
Configuring IP Addresses and Connected Routes
Connected Routes and the ip address Command
The ARP Table on a Cisco Router
Configuring Static Routes
Static Network Routes
Static Host Routes
Floating Static Routes
Static Default Routes
Troubleshooting Static Routes
IP Forwarding with the Longest Prefix Match
Using show ip route to Find the Best Route
Using show ip route address to Find the Best Route
Interpreting the IP Routing Table
Chapter Review
Chapter 17 IP Routing in the LAN
“Do I Know This Already?” Quiz
Foundation Topics
VLAN Routing with Router 802.1Q Trunks
Configuring ROAS
Verifying ROAS
Troubleshooting ROAS
VLAN Routing with Layer 3 Switch SVIs
Configuring Routing Using Switch SVIs
Verifying Routing with SVIs
Troubleshooting Routing with SVIs
VLAN Routing with Layer 3 Switch Routed Ports
Implementing Routed Interfaces on Switches
Implementing Layer 3 EtherChannels
Troubleshooting Layer 3 EtherChannels
Chapter Review
Chapter 18 Troubleshooting IPv4 Routing
“Do I Know This Already?” Quiz
Foundation Topics
Problem Isolation Using the ping Command
Ping Command Basics
Strategies and Results When Testing with the ping Command
Using Ping with Names and with IP Addresses
Problem Isolation Using the traceroute Command
traceroute Basics
Telnet and SSH
Common Reasons to Use the IOS Telnet and SSH Client
IOS Telnet and SSH Examples
Chapter Review
Part V Review
Part VI OSPF
Chapter 19 Understanding OSPF Concepts
“Do I Know This Already?” Quiz
Foundation Topics
Comparing Dynamic Routing Protocol Features
Routing Protocol Functions
Interior and Exterior Routing Protocols
Comparing IGPs
Administrative Distance
OSPF Concepts and Operation
OSPF Overview
Becoming OSPF Neighbors
Exchanging the LSDB Between Neighbors
Calculating the Best Routes with SPF
OSPF Areas and LSAs
OSPF Areas
How Areas Reduce SPF Calculation Time
Chapter Review
Chapter 20 Implementing OSPF
“Do I Know This Already?” Quiz
Foundation Topics
Implementing Single-Area OSPFv2
OSPF Single-Area Configuration
Wildcard Matching with the network Command
Verifying OSPF Operation
Verifying OSPF Configuration
Configuring the OSPF Router ID
Implementing Multiarea OSPF
Using OSPFv2 Interface Subcommands
OSPF Interface Configuration Example
Additional OSPFv2 Features
OSPF Passive Interfaces
OSPF Default Routes
OSPF Metrics (Cost)
OSPF Load Balancing
Chapter Review
Chapter 21 OSPF Network Types and Neighbors
“Do I Know This Already?” Quiz
Foundation Topics
OSPF Network Types
The OSPF Broadcast Network Type
The OSPF Point-to-Point Network Type
OSPF Neighbor Relationships
OSPF Neighbor Requirements
Issues That Prevent Neighbor Adjacencies
Issues That Allow Adjacencies but Prevent IP Routes
Chapter Review
Part VI Review
Part VII IP Version 6
Chapter 22 Fundamentals of IP Version 6
“Do I Know This Already?” Quiz
Foundation Topics
Introduction to IPv6
The Historical Reasons for IPv6
The IPv6 Protocols
IPv6 Routing
IPv6 Routing Protocols
IPv6 Addressing Formats and Conventions
Representing Full (Unabbreviated) IPv6 Addresses
Abbreviating and Expanding IPv6 Addresses
Representing the Prefix Length of an Address
Calculating the IPv6 Prefix (Subnet ID)
Finding the IPv6 Prefix
Working with More-Difficult IPv6 Prefix Lengths
Chapter Review
Chapter 23 IPv6 Addressing and Subnetting
“Do I Know This Already?” Quiz
Foundation Topics
Global Unicast Addressing Concepts
Public and Private IPv6 Addresses
The IPv6 Global Routing Prefix
Address Ranges for Global Unicast Addresses
IPv6 Subnetting Using Global Unicast Addresses
Assigning Addresses to Hosts in a Subnet
Unique Local Unicast Addresses
Subnetting with Unique Local IPv6 Addresses
The Need for Globally Unique Local Addresses
Chapter Review
Chapter 24 Implementing IPv6 Addressing on Routers
“Do I Know This Already?” Quiz
Foundation Topics
Implementing Unicast IPv6 Addresses on Routers
Static Unicast Address Configuration
Dynamic Unicast Address Configuration
Special Addresses Used by Routers
Link-Local Addresses
IPv6 Multicast Addresses
Miscellaneous IPv6 Addresses
Anycast Addresses
IPv6 Addressing Configuration Summary
Chapter Review
Chapter 25 Implementing IPv6 Routing
“Do I Know This Already?” Quiz
Foundation Topics
Connected and Local IPv6 Routes
Rules for Connected and Local Routes
Example of Connected IPv6 Routes
Examples of Local IPv6 Routes
Static IPv6 Routes
Static Routes Using the Outgoing Interface
Static Routes Using Next-Hop IPv6 Address
Static Default Routes
Static IPv6 Host Routes
Floating Static IPv6 Routes
Troubleshooting Static IPv6 Routes
The Neighbor Discovery Protocol
Discovering Neighbor Link Addresses with NDP NS and NA
Discovering Routers with NDP RS and RA
Using SLAAC with NDP RS and RA
Discovering Duplicate Addresses Using NDP NS and NA
NDP Summary
Chapter Review
Part VII Review
Part VIII Wireless LANs
Chapter 26 Fundamentals of Wireless Networks
“Do I Know This Already?” Quiz
Foundation Topics
Comparing Wired and Wireless Networks
Wireless LAN Topologies
Basic Service Set
Distribution System
Extended Service Set
Independent Basic Service Set
Other Wireless Topologies
Repeater
Workgroup Bridge
Outdoor Bridge
Mesh Network
RF Overview
Wireless Bands and Channels
APs and Wireless Standards
Chapter Review
Chapter 27 Analyzing Cisco Wireless Architectures
“Do I Know This Already?” Quiz
Foundation Topics
Autonomous AP Architecture
Cloud-based AP Architecture
Split-MAC Architectures
Comparing Wireless LAN Controller Deployments
Cisco AP Modes
Chapter Review
Chapter 28 Securing Wireless Networks
“Do I Know This Already?” Quiz
Foundation Topics
Anatomy of a Secure Connection
Authentication
Message Privacy
Message Integrity
Wireless Client Authentication Methods
Open Authentication
WEP
802.1x/EAP
Wireless Privacy and Integrity Methods
TKIP
CCMP
GCMP
WPA, WPA2, and WPA3
Chapter Review
Chapter 29 Building a Wireless LAN
“Do I Know This Already?” Quiz
Foundation Topics
Connecting a Cisco AP
Accessing a Cisco WLC
Connecting a Cisco WLC
Using WLC Ports
Using WLC Interfaces
Configuring a WLAN
Step 1. Configure a RADIUS Server
Step 2. Create a Dynamic Interface
Step 3. Create a New WLAN
Configuring WLAN Security
Configuring WLAN QoS
Configuring Advanced WLAN Settings
Finalizing WLAN Configuration
Chapter Review
Part VIII Review
Part IX Appendixes
Appendix A Numeric Reference Tables
Appendix B CCNA 200-301, Volume 1 Exam Updates
Appendix C Answers to the “Do I Know This Already?” Quizzes
Glossary
Online Appendixes
Appendix D Practice for Chapter 12: Analyzing Classful IPv4 Networks
Appendix E Practice for Chapter 13: Analyzing Subnet Masks
Appendix F Practice for Chapter 14: Analyzing Existing Subnets
Appendix G Practice for Chapter 22: Fundamentals of IP Version 6
Appendix H Practice for Chapter 24: Implementing IPv6 Addressing on Routers
Appendix I Study Planner
Appendix J Topics from Previous Editions
Appendix K Analyzing Ethernet LAN Designs
Appendix L Subnet Design
Appendix M Practice for Appendix L: Subnet Design
Appendix N Variable-Length Subnet Masks
Appendix O Spanning Tree Protocol Implementation
Appendix P LAN Troubleshooting
Appendix Q Troubleshooting IPv4 Routing Protocols
Appendix R Exam Topics Cross Reference
9780135792735 TOC 7/25/2019
CCNA 200-301 Official Cert Guide, Volume 2
Introduction xxvii
Part I IP Access Control Lists 3
Chapter 1 Introduction to TCP/IP Transport and Applications 4
“Do I Know This Already?” Quiz 4
Foundation Topics 6
TCP/IP Layer 4 Protocols: TCP and UDP 6
Transmission Control Protocol 7
User Datagram Protocol 16
TCP/IP Applications 16
Uniform Resource Identifiers 17
Finding the Web Server Using DNS 18
Transferring Files with HTTP 20
How the Receiving Host Identifies the Correct Receiving Application 21
Chapter Review 22
Chapter 2 Basic IPv4 Access Control Lists 24
“Do I Know This Already?” Quiz 24
Foundation Topics 26
IPv4 Access Control List Basics 26
ACL Location and Direction 26
Matching Packets 27
Taking Action When a Match Occurs 28
Types of IP ACLs 28
Standard Numbered IPv4 ACLs 29
List Logic with IP ACLs 29
Matching Logic and Command Syntax 31
Implementing Standard IP ACLs 34
Troubleshooting and Verification Tips 38
Practice Applying Standard IP ACLs 39
Practice Building access-list Commands 39
Reverse Engineering from ACL to Address Range 40
Chapter Review 41
Chapter 3 Advanced IPv4 Access Control Lists 44
“Do I Know This Already?” Quiz 44
Foundation Topics 46
Extended Numbered IP Access Control Lists 46
Matching the Protocol, Source IP, and Destination IP 46
Matching TCP and UDP Port Numbers 48
Extended IP ACL Configuration 51
Practice Building access-list Commands 54
Named ACLs and ACL Editing 54
Named IP Access Lists 54
Editing ACLs Using Sequence Numbers 56
Numbered ACL Configuration Versus Named ACL Configuration 58
ACL Implementation Considerations 59
Additional Reading on ACLs 60
Chapter Review 61
Part I Review 64
Part II Security Services 67
Chapter 4 Security Architectures 68
“Do I Know This Already?” Quiz 68
Foundation Topics 70
Security Terminology 70
Common Security Threats 72
Attacks That Spoof Addresses 72
Reconnaissance Attacks 77
Buffer Overflow Attacks 78
Malware 78
Human Vulnerabilities 79
Password Vulnerabilities 80
Controlling and Monitoring User Access 82
Developing a Security Program to Educate Users 83
Chapter Review 84
Chapter 5 Securing Network Devices 86
“Do I Know This Already?” Quiz 86
Foundation Topics 88
Securing IOS Passwords 88
Encrypting Older IOS Passwords with service password-encryption 89
Encoding the Enable Passwords with Hashes 90
Encoding the Passwords for Local Usernames 94
Controlling Password Attacks with ACLs 95
Firewalls and Intrusion Prevention Systems 95
Traditional Firewalls 96
Intrusion Prevention Systems (IPS) 99
Cisco Next-Generation Firewalls 100
Cisco Next-Generation IPS 102
Chapter Review 103
Chapter 6 Implementing Switch Port Security 106
“Do I Know This Already?” Quiz 106
Foundation Topics 108
Port Security Concepts and Configuration 108
Configuring Port Security 109
Verifying Port Security 112
Port Security MAC Addresses 113
Port Security Violation Modes 114
Port Security Shutdown Mode 115
Port Security Protect and Restrict Modes 117
Chapter Review 119
Chapter 7 Implementing DHCP 122
“Do I Know This Already?” Quiz 122
Foundation Topics 124
Dynamic Host Configuration Protocol 124
DHCP Concepts 125
Configuring DHCP Features on Routers and Switches 129
Identifying Host IPv4 Settings 133
Host Settings for IPv4 133
Host IP Settings on Windows 134
Host IP Settings on macOS 136
Host IP Settings on Linux 138
Chapter Review 140
Chapter 8 DHCP Snooping and ARP Inspection 144
“Do I Know This Already?” Quiz 144
Foundation Topics 146
DHCP Snooping 146
DHCP Snooping Concepts 146
DHCP Snooping Configuration 152
Dynamic ARP Inspection 156
DAI Concepts 156
Dynamic ARP Inspection Configuration 160
Chapter Review 166
Part II Review 168
Part III IP Services 171
Chapter 9 Device Management Protocols 172
“Do I Know This Already?” Quiz 172
Foundation Topics 174
System Message Logging (Syslog) 174
Sending Messages in Real Time to Current Users 174
Storing Log Messages for Later Review 175
Log Message Format 176
Log Message Severity Levels 177
Configuring and Verifying System Logging 178
The debug Command and Log Messages 180
Network Time Protocol (NTP) 181
Setting the Time and Timezone 182
Basic NTP Configuration 183
NTP Reference Clock and Stratum 185
Redundant NTP Configuration 186
NTP Using a Loopback Interface for Better Availability 188
Analyzing Topology Using CDP and LLDP 190
Examining Information Learned by CDP 190
Configuring and Verifying CDP 193
Examining Information Learned by LLDP 194
Configuring and Verifying LLDP 197
Chapter Review 199
Chapter 10 Network Address Translation 202
“Do I Know This Already?” Quiz 202
Foundation Topics 204
Perspectives on IPv4 Address Scalability 204
CIDR 205
Private Addressing 206
Network Address Translation Concepts 207
Static NAT 208
Dynamic NAT 210
Overloading NAT with Port Address Translation 211
NAT Configuration and Troubleshooting 213
Static NAT Configuration 213
Dynamic NAT Configuration 215
Dynamic NAT Verification 217
NAT Overload (PAT) Configuration 219
NAT Troubleshooting 222
Chapter Review 223
Chapter 11 Quality of Service (QoS) 226
“Do I Know This Already?” Quiz 226
Foundation Topics 228
Introduction to QoS 228
QoS: Managing Bandwidth, Delay, Jitter, and Loss 228
Types of Traffic 229
Voice and Video Applications 230
QoS as Mentioned in This Book 232
QoS on Switches and Routers 233
Classification and Marking 233
Classification Basics 233
Matching (Classification) Basics 234
Classification on Routers with ACLs and NBAR 235
Marking IP DSCP and Ethernet CoS 236
Defining Trust Boundaries 238
DiffServ Suggested Marking Values 239
Queuing 242
Round-Robin Scheduling (Prioritization) 243
Low Latency Queuing 243
A Prioritization Strategy for Data, Voice, and Video 245
Shaping and Policing 245
Policing 246
Shaping 248
Congestion Avoidance 250
TCP Windowing Basics 250
Congestion Avoidance Tools 251
Chapter Review 252
Chapter 12 Miscellaneous IP Services 254
“Do I Know This Already?” Quiz 254
Foundation Topics 256
First Hop Redundancy Protocol 256
The Need for Redundancy in Networks 257
The Need for a First Hop Redundancy Protocol 259
The Three Solutions for First-Hop Redundancy 260
HSRP Concepts 261
Simple Network Management Protocol 263
SNMP Variable Reading and Writing: SNMP Get and Set 264
SNMP Notifications: Traps and Informs 265
The Management Information Base 266
Securing SNMP 267
FTP and TFTP 268
Managing Cisco IOS Images with FTP/TFTP 268
The FTP and TFTP Protocols 275
TFTP Protocol Basics 279
Chapter Review 280
Part III Review 284
Part IV Network Architecture 287
Chapter 13 LAN Architecture 288
“Do I Know This Already?” Quiz 288
Foundation Topics 290
Analyzing Campus LAN Topologies 290
Two-Tier Campus Design (Collapsed Core) 290
Three-Tier Campus Design (Core) 293
Topology Design Terminology 295
Small Office/Home Office 295
Power over Ethernet (PoE) 297
PoE Basics 297
PoE Operation 298
PoE and LAN Design 299
Chapter Review 300
Chapter 14 WAN Architecture 302
“Do I Know This Already?” Quiz 302
Foundation Topics 304
Metro Ethernet 304
Metro Ethernet Physical Design and Topology 305
Ethernet WAN Services and Topologies 306
Layer 3 Design Using Metro Ethernet 309
Multiprotocol Label Switching (MPLS) 311
MPLS VPN Physical Design and Topology 313
MPLS and Quality of Service 314
Layer 3 with MPLS VPN 315
Internet VPNs 317
Internet Access 317
Internet VPN Fundamentals 321
VPN Comparisons 326
Chapter Review 326
Chapter 15 Cloud Architecture 328
“Do I Know This Already?” Quiz 328
Foundation Topics 330
Server Virtualization 330
Cisco Server Hardware 330
Server Virtualization Basics 331
Networking with Virtual Switches on a Virtualized Host 333
The Physical Data Center Network 334
Workflow with a Virtualized Data Center 335
Cloud Computing Services 336
Private Cloud (On-Premise) 337
Public Cloud 338
Cloud and the “As a Service” Model 339
WAN Traffic Paths to Reach Cloud Services 342
Enterprise WAN Connections to Public Cloud 342
A Scenario: Branch Offices and the Public Cloud 347
Chapter Review 350
Part IV Review 352
Part V Network Automation 355
Chapter 16 Introduction to Controller-Based Networking 356
“Do I Know This Already?” Quiz 357
Foundation Topics 358
SDN and Controller-Based Networks 358
The Data, Control, and Management Planes 358
Controllers and Software-Defined Architecture 362
Software Defined Architecture Summary 367
Examples of Network Programmability and SDN 367
OpenDaylight and OpenFlow 367
Cisco Application Centric Infrastructure (ACI) 369
Cisco APIC Enterprise Module 373
Summary of the SDN Examples 375
Comparing Traditional Versus Controller-Based Networks 375
How Automation Impacts Network Management 376
Comparing Traditional Networks with Controller-Based Networks 378
Chapter Review 379
Chapter 17 Cisco Software-Defined Access (SDA) 382
“Do I Know This Already?” Quiz 383
Foundation Topics 384
SDA Fabric, Underlay, and Overlay 384
The SDA Underlay 386
The SDA Overlay 390
DNA Center and SDA Operation 395
Cisco DNA Center 395
Cisco DNA Center and Scalable Groups 396
DNA Center as a Network Management Platform 400
DNA Center Similarities to Traditional Management 401
DNA Center Differences with Traditional Management 402
Chapter Review 403
Chapter 18 Understanding REST and JSON 406
“Do I Know This Already?” Quiz 406
Foundation Topics 408
REST-Based APIs 408
REST-Based (RESTful) APIs 408
Background: Data and Variables 410
REST APIs and HTTP 413
Example of REST API Call to DNA Center 417
Data Serialization and JSON 418
The Need for a Data Model with APIs 419
Data Serialization Languages 421
Interpreting JSON 423
Chapter Review 427
Chapter 19 Understanding Ansible, Puppet, and Chef 428
“Do I Know This Already?” Quiz 428
Foundation Topics 430
Device Configuration Challenges and Solutions 430
Configuration Drift 430
Centralized Configuration Files and Version Control 431
Configuration Monitoring and Enforcement 433
Configuration Provisioning 434
Ansible, Puppet, and Chef Basics 438
Ansible 438
Puppet 440
Chef 441
Summary of Configuration Management Tools 442
Chapter Review 442
Part V Review 444
Part VI Final Review 447
Chapter 20 Final Review 448
Advice About the Exam Event 448
Exam Event: Learn About Question Types 448
Exam Event: Think About Your Time Budget 450
Exam Event: A Sample Time-Check Method 451
Exam Event: One Week Away 451
Exam Event: 24 Hours Before the Exam 452
Exam Event: The Last 30 Minutes 452
Exam Event: Reserve the Hour After the Exam 453
Exam Review 454
Exam Review: Take Practice Exams 454
Exam Review: Find Knowledge Gaps 458
Exam Review: Practice Hands-On CLI Skills 460
Exam Review: Self-Assessment Pitfalls 462
Exam Review: Adjustments for Your Second Attempt 463
Exam Review: Other Study Tasks 464
Final Thoughts 464
Part VII Appendixes 467
Appendix A Numeric Reference Tables 469
Appendix B CCNA 200-301, Volume 2 Exam Updates 476
Appendix C Answers to the “Do I Know This Already?” Quizzes 478
Glossary 494
Online Appendixes
Appendix D Topics from Previous Editions
Appendix E Practice for Chapter 2: Basic IPv4 Access Control Lists
Appendix F Previous Edition ICND1 Chapter 35: Managing IOS Files
Appendix G Exam Topics Cross-Reference
Appendix H Study Planner
9781587147135 TOC 10/18/2019
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